2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
17 * Sending IRC commands over the network
31 #include "conn-func.h"
35 #include "irc-write.h"
38 #define SEND_TO_USER 1
39 #define SEND_TO_SERVER 2
42 static const char *Get_Prefix PARAMS((CLIENT *Target, CLIENT *Client));
43 static void cb_writeStrServersPrefixFlag PARAMS((CLIENT *Client,
44 CLIENT *Prefix, void *Buffer));
45 static bool Send_Marked_Connections PARAMS((CLIENT *Prefix, const char *Buffer));
50 IRC_WriteStrClient( CLIENT *Client, const char *Format, ... )
53 IRC_WriteStrClient( Client, Format, va_alist )
63 assert( Client != NULL );
64 assert( Format != NULL );
67 va_start( ap, Format );
71 vsnprintf( buffer, 1000, Format, ap );
74 /* to the client itself */
75 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), "%s", buffer );
78 } /* IRC_WriteStrClient */
83 IRC_WriteStrClientPrefix(CLIENT *Client, CLIENT *Prefix, const char *Format, ...)
86 IRC_WriteStrClientPrefix(Client, Prefix, Format, va_alist)
93 /* send text to local and remote clients */
98 assert( Client != NULL );
99 assert( Format != NULL );
100 assert( Prefix != NULL );
103 va_start( ap, Format );
107 vsnprintf( buffer, 1000, Format, ap );
110 return Conn_WriteStr(Client_Conn(Client_NextHop(Client)), ":%s %s",
111 Get_Prefix(Client_NextHop(Client), Prefix), buffer);
112 } /* IRC_WriteStrClientPrefix */
117 IRC_WriteStrChannel(CLIENT *Client, CHANNEL *Chan, bool Remote,
118 const char *Format, ...)
121 IRC_WriteStrChannel(Client, Chan, Remote, Format, va_alist)
132 assert( Client != NULL );
133 assert( Format != NULL );
136 va_start( ap, Format );
140 vsnprintf( buffer, 1000, Format, ap );
143 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, "%s", buffer );
144 } /* IRC_WriteStrChannel */
149 * send message to all clients in the same channel, but only send message
150 * once per remote server.
154 IRC_WriteStrChannelPrefix(CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix,
155 bool Remote, const char *Format, ...)
158 IRC_WriteStrChannelPrefix(Client, Chan, Prefix, Remote, Format, va_alist)
173 assert( Client != NULL );
174 assert( Chan != NULL );
175 assert( Prefix != NULL );
176 assert( Format != NULL );
179 va_start( ap, Format );
183 vsnprintf( buffer, 1000, Format, ap );
188 cl2chan = Channel_FirstMember( Chan );
191 c = Channel_GetClient( cl2chan );
194 if( Client_Conn( c ) <= NONE ) c = NULL;
195 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
197 if( c ) c = Client_NextHop( c );
199 if( c && ( c != Client ))
201 /* Ok, another Client */
202 conn = Client_Conn( c );
203 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
204 else Conn_SetFlag( conn, SEND_TO_USER );
206 cl2chan = Channel_NextMember( Chan, cl2chan );
208 return Send_Marked_Connections(Prefix, buffer);
209 } /* IRC_WriteStrChannelPrefix */
214 IRC_WriteStrServers(CLIENT *ExceptOf, const char *Format, ...)
217 IRC_WriteStrServers(ExceptOf, Format, va_alist)
226 assert( Format != NULL );
229 va_start( ap, Format );
233 vsnprintf( buffer, 1000, Format, ap );
236 IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), "%s", buffer );
237 } /* IRC_WriteStrServers */
242 IRC_WriteStrServersPrefix(CLIENT *ExceptOf, CLIENT *Prefix,
243 const char *Format, ...)
246 IRC_WriteStrServersPrefix(ExceptOf, Prefix, Format, va_alist)
256 assert( Format != NULL );
257 assert( Prefix != NULL );
260 va_start( ap, Format );
264 vsnprintf( buffer, 1000, Format, ap );
267 IRC_WriteStrServersPrefixFlag( ExceptOf, Prefix, '\0', "%s", buffer );
268 } /* IRC_WriteStrServersPrefix */
273 IRC_WriteStrServersPrefixFlag(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
274 const char *Format, ...)
277 IRC_WriteStrServersPrefixFlag(ExceptOf, Prefix, Flag, Format, va_alist)
288 assert( Format != NULL );
289 assert( Prefix != NULL );
292 va_start( ap, Format );
296 vsnprintf( buffer, 1000, Format, ap );
299 IRC_WriteStrServersPrefixFlag_CB(ExceptOf, Prefix, Flag,
300 cb_writeStrServersPrefixFlag, buffer);
301 } /* IRC_WriteStrServersPrefixFlag */
305 IRC_WriteStrServersPrefixFlag_CB(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
306 void (*callback)(CLIENT *, CLIENT *, void *), void *cb_data)
312 if (Client_Type(c) == CLIENT_SERVER && Client_Conn(c) > NONE &&
313 c != Client_ThisServer() && c != ExceptOf) {
314 /* Found a target server, do the flags match? */
315 if (Flag == '\0' || strchr(Client_Flags(c), Flag))
316 callback(c, Prefix, cb_data);
320 } /* IRC_WriteStrServersPrefixFlag */
324 * send message to all clients that are in the same channels as the client sending this message.
325 * only send message once per reote server.
329 IRC_WriteStrRelatedPrefix(CLIENT *Client, CLIENT *Prefix, bool Remote,
330 const char *Format, ...)
333 IRC_WriteStrRelatedPrefix(Client, Prefix, Remote, Format, va_alist)
341 CL2CHAN *chan_cl2chan, *cl2chan;
348 assert( Client != NULL );
349 assert( Prefix != NULL );
350 assert( Format != NULL );
353 va_start( ap, Format );
357 vsnprintf( buffer, 1000, Format, ap );
362 chan_cl2chan = Channel_FirstChannelOf( Client );
363 while( chan_cl2chan )
365 chan = Channel_GetChannel( chan_cl2chan );
366 cl2chan = Channel_FirstMember( chan );
369 c = Channel_GetClient( cl2chan );
372 if( Client_Conn( c ) <= NONE ) c = NULL;
373 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
375 if( c ) c = Client_NextHop( c );
377 if( c && ( c != Client ))
379 conn = Client_Conn( c );
380 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
381 else Conn_SetFlag( conn, SEND_TO_USER );
383 cl2chan = Channel_NextMember( chan, cl2chan );
386 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
388 return Send_Marked_Connections(Prefix, buffer);
389 } /* IRC_WriteStrRelatedPrefix */
393 * Send WALLOPS message.
397 IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...)
400 IRC_SendWallops(Client, From, Format, va_alist )
412 va_start(ap, Format);
416 vsnprintf(msg, 1000, Format, ap);
419 for (to=Client_First(); to != NULL; to=Client_Next(to)) {
420 if (Client_Conn(to) == NONE) /* no local connection */
423 switch (Client_Type(to)) {
425 if (Client_HasMode(to, 'w'))
426 IRC_WriteStrClientPrefix(to, From,
431 IRC_WriteStrClientPrefix(to, From,
436 } /* IRC_SendWallops */
440 IRC_SetPenalty( CLIENT *Client, time_t Seconds )
444 assert( Client != NULL );
445 assert( Seconds > 0 );
447 if( Client_Type( Client ) == CLIENT_SERVER ) return;
449 c = Client_Conn( Client );
451 Conn_SetPenalty(c, Seconds);
452 } /* IRC_SetPenalty */
456 Get_Prefix(CLIENT *Target, CLIENT *Client)
458 assert (Target != NULL);
459 assert (Client != NULL);
461 if (Client_Type(Target) == CLIENT_SERVER)
462 return Client_ID(Client);
464 return Client_MaskCloaked(Client);
469 cb_writeStrServersPrefixFlag(CLIENT *Client, CLIENT *Prefix, void *Buffer)
471 IRC_WriteStrClientPrefix(Client, Prefix, "%s", Buffer);
472 } /* cb_writeStrServersPrefixFlag */
476 Send_Marked_Connections(CLIENT *Prefix, const char *Buffer)
481 assert(Prefix != NULL);
482 assert(Buffer != NULL);
485 while (conn != NONE) {
486 if (Conn_Flag(conn) == SEND_TO_SERVER)
487 ok = Conn_WriteStr(conn, ":%s %s",
488 Client_ID(Prefix), Buffer);
489 else if (Conn_Flag(conn) == SEND_TO_USER)
490 ok = Conn_WriteStr(conn, ":%s %s",
491 Client_MaskCloaked(Prefix), Buffer);
494 conn = Conn_Next( conn );